.tuff-section {
  text-align: center;
  padding: 4rem 2rem;
  margin-bottom: 4rem;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--card-bg) 100%);
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.tuff-content {
  max-width: 800px;
  margin: 0 auto;
}

.tuff-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  line-height: 1.2;
}

.tuff-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.tuff-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tuff-btn {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.features-section {
  margin-bottom: 4rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-color);
}

.feature-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.feature-link:hover {
  color: var(--accent-color-hover);
  transform: translateX(5px);
}

.stats-section {
  background: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  margin-bottom: 4rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .tuff-section {
    padding: 2rem 1rem;
    margin-bottom: 2rem;
  }
  
  .tuff-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }
  
  .tuff-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  
  .tuff-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .tuff-btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature-card {
    padding: 2rem 1.5rem;
  }
  
  .section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .stats-section {
    padding: 2rem 1rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
}